Design of Dual-Band Pass Filter Using Parallel Coupled SIR

Parallel Coupled SIR을 이용한 이중대역 통과필터 설계 연구

  • 김군태 (중앙대학교 전자전기공학부 대학원) ;
  • 백현 (중앙대학교 전자전기공학부 대학원) ;
  • 김형석 (중앙대학교 전자전기공학부)
  • Published : 2009.08.27

Abstract

In this paper, Dual-band bandpass filter studied design using Parallel Coupled SIR(Stepped Impedance Resonator). This Dual-band bandpass filter design SIR of half-wavelength by Parallel-coupled type that is available to RFID system and Changed structure in Meander form by size reduce. Because seen Dual-band bandpass filter is designed so that is applicable for frequency 433MHz and 2.45GHz of RFID system is very wide distance between two pass-band, establish 433MHz by fundamental frequency and controlled 2.45GHz by 2st spurious resonance frequency bandstop filter of 1st spurious resonance frequency and Parallel coupled SIR Combine to remove 1st spurious resonance frequency.

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